blob: 7c3645c4747bcba8525a194ad6dd0eaf472a6c80 [file] [log] [blame]
b.liue9582032025-04-17 19:18:16 +08001From 24fd0551333e7eded87b64dd36062da3df2f6380 Mon Sep 17 00:00:00 2001
2From: Explorer09 <explorer09@gmail.com>
3Date: Mon, 4 Sep 2017 10:47:33 +0800
4Subject: [PATCH] build: AC_USE_SYSTEM_EXTENSIONS in configure.ac.
5
6This would, e.g. define _GNU_SOURCE in config.h, enabling the
7reallocarray() prototype in glibc 2.26+ on Linux systems with that
8version of glibc.
9
10Fixes #241.
11---
12 configure.ac | 2 ++
13 1 file changed, 2 insertions(+)
14
15--- a/configure.ac
16+++ b/configure.ac
17@@ -25,8 +25,10 @@
18 # autoconf requirements and initialization
19
20 AC_INIT([the fast lexical analyser generator],[2.6.4],[flex-help@lists.sourceforge.net],[flex])
21+AC_PREREQ([2.60])
22 AC_CONFIG_SRCDIR([src/scan.l])
23 AC_CONFIG_AUX_DIR([build-aux])
24+AC_USE_SYSTEM_EXTENSIONS
25 LT_INIT
26 AM_INIT_AUTOMAKE([1.11.3 -Wno-portability foreign check-news std-options dist-lzip parallel-tests subdir-objects])
27 AC_CONFIG_HEADER([src/config.h])